Usually infrared does not touch the settings specified in the ansible configuration
file (ansible.cfg), with few exceptions.

Internally infrared use Ansible environment variables to set the directories
for common resources (callback plugins, filter plugins, roles, etc); this means
that the following keys from the Ansible configuration files are ignored:

callback_plugins

filter_plugins

roles_path

It is possible to define custom paths for those items setting the corresponding
environment variables: